masslogger | afda5e7d83904ec23c803834d6d7e060111c205f05e0b9cdc191e192c9baaeb4

General

Target

IMG_4100.SCR
Size

677KB
MD5

565b124296b7b1c9da28495b2c4b9a75
SHA1

cddf5eed87b8e3c55a37e4d24b105f7bcbc099fc
SHA256

6deeb1205f1768b632f623fc0133a963fe374e3f68c3f345948a6820f232743a
SHA512

8667ccce26499354817d0f91dae68def592ae9ed29f0d5422ca59f4806c5e6cc918b989824dc252148c3680fc7260b5fd93fafea3db0646e740ffa9a8bdb9300

Score

10^/10

spyware stealer masslogger

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
akachukwu123@

Signatures

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

IMG_4100.SCR

pid process

344 IMG_4100.SCR
MassLogger log file 1 IoCs
Detects a log file produced by MassLogger.

Processes:

yara_rule

masslogger_log_file
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

6 api.ipify.org
MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
stealer spyware masslogger

pid	process
344	IMG_4100.SCR

yara_rule
masslogger_log_file

flow	ioc
6	api.ipify.org

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

IMG_4100.SCR

description	pid	process	target process
PID 1164 wrote to memory of 344	1164	IMG_4100.SCR	IMG_4100.SCR
PID 1164 wrote to memory of 344	1164	IMG_4100.SCR	IMG_4100.SCR
PID 1164 wrote to memory of 344	1164	IMG_4100.SCR	IMG_4100.SCR
PID 1164 wrote to memory of 344	1164	IMG_4100.SCR	IMG_4100.SCR
PID 1164 wrote to memory of 344	1164	IMG_4100.SCR	IMG_4100.SCR
PID 1164 wrote to memory of 344	1164	IMG_4100.SCR	IMG_4100.SCR
PID 1164 wrote to memory of 344	1164	IMG_4100.SCR	IMG_4100.SCR
PID 1164 wrote to memory of 344	1164	IMG_4100.SCR	IMG_4100.SCR
PID 1164 wrote to memory of 344	1164	IMG_4100.SCR	IMG_4100.SCR

Suspicious use of SetThreadContext 1 IoCs

Processes:

IMG_4100.SCR

description pid process target process

PID 1164 set thread context of 344 1164 IMG_4100.SCR IMG_4100.SCR
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

IMG_4100.SCR

description pid process

Token: SeDebugPrivilege 344 IMG_4100.SCR

description	pid	process	target process
PID 1164 set thread context of 344	1164	IMG_4100.SCR	IMG_4100.SCR

description	pid	process
Token: SeDebugPrivilege	344	IMG_4100.SCR

C:\Users\Admin\AppData\Local\Temp\IMG_4100.SCR
"C:\Users\Admin\AppData\Local\Temp\IMG_4100.SCR" /S
1⤵
- Suspicious use of WriteProcessMemory
- Suspicious use of SetThreadContext
PID:1164

C:\Users\Admin\AppData\Local\Temp\IMG_4100.SCR
"C:\Users\Admin\AppData\Local\Temp\IMG_4100.SCR"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:344

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/344-2-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/344-3-0x000000000049479E-mapping.dmp

Download
memory/344-4-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/344-5-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/1164-1-0x0000000000000000-0x0000000000000000-disk.dmp

Download

Analysis

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